Ok, when I looked at this recently I realized how much work had actually been done already, and although I pulled it as a payware project when NZA released theirs, I'd certainly like to see it out as freeware if possible. I don't remember doing much of this, or even how I did some things!
It'll be partly ported from P3D, although most of the textures will be redone or at least tweaked, there's a new aerial image but it'll only cover the airport and surroundings, so no big chunk of Canterbury as in FSX/P3D.
I'd like to get it out this year, and I will be asking for testers once I get to a point where there aren't any major things on the todo list. At the moment there are still some things I haven't figured out yet (don't look too closely at the jetways).